Tag: M.W:200-300

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.50777-76-9,2-(Diphenylphosphino)benzaldehyde,as a common compound, the synthetic route is as follows.

To a solution of 6 (60 mg, 0.15 mmol) in dried and deoxygenated CH2Cl2 (5 mL) under agron atmosphere, were added CuSO4 (71.8 mg, 0.45 mmol) and diphenylphosphinobenzaldehyde 7 (48.6 mg, 0.17 mmol). After 7 hrs, the reaction mixture was filtered via canula and the solvent was evaporated. The mixture was purified by column chromatography Ethyl acetate: Hexanes: triethylamine (1 : 2: 0.02) affording 8 (100 mg, quant.) as a colorless oil. [alpha]D20: -32.7 (c 1.0, CHCl3). 1H NMR (500 MHz, CDCl3): delta = 8.58 (d, 1H, J = 3.8 Hz, NCHPh), 7.82-7.81 (m, 2H, arom), 7.63-7.17 (m, 22H, arom, triazol), 6.87-6.84 (m, 1H, arom), 5.64 (s, 1H, PhCHOO), 5.60 (d, 1H, J = 8.5 Hz, H-1), 4.38 (m, 1H, H-6), 4.13-4.04 (m, 2H, H-2, H-5), 3.89-3.85 (m, 2H, H-3,H-6)’, 3.80-3.74 (m, 1H, H-4). 13C-NMR (125 MHz, CDCl3): delta = 164.9, 164.8, 147.3, 138.7, 138.5, 138.4, 138.3, 137.7, 137.6, 136.9, 134.2 134.1, 133.7, 133.5, 130.6, 130.2, 129.3, 128.8, 128.7, 128.6, 128.5, 128.5, 128.4, 128.3, 126.3, 125.8, 119.7, 102.1, 87.2, 79.8, 72.4, 69.8, 68.3. 31P-NMR (121.4 MHz, CDCl3) : delta = 10.69 ppm. HMRS: Calcd for C40H36N4O4P [M]: 667.24770, found: 667.24770 (0.4 ppm)., 50777-76-9

Big data shows that 50777-76-9 is playing an increasingly important role.

Reference£º
Article; Khiar, Noureddine; Navas, Raquel; Ferna?ndez, Inmaculada; Tetrahedron Letters; vol. 53; 4; (2012); p. 395 – 398;,
Phosphine ligand
Chiral phosphine ligands in asymmetric synthesis. Molecular structure and absolute configuration of (1,5-cyclooctadiene)-(2S,3S)-2,3-bis(diphenylphosphino)butanerhodium(I) perchlorate tetrahydrofuran solvate

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.7650-91-1,Benzyldiphenylphosphine,as a common compound, the synthetic route is as follows.

The complex was obtained from benzyldiphenylphosphine in 54% yield by using a reported procedure [41]. M.p. 196-199C (dec.) [lit. [42] 198C (dec.)]. The 1H and 31P{1H} NMR data for the synthesized complex were consistent with the literature data [30]., 7650-91-1

The synthetic route of 7650-91-1 has been constantly updated, and we look forward to future research findings.

Reference£º
Article; Korte, Nicholas J.; Stepanova, Valeria A.; Smoliakova, Irina P.; Journal of Organometallic Chemistry; vol. 745-746; (2013); p. 356 – 362;,
Phosphine ligand
Chiral phosphine ligands in asymmetric synthesis. Molecular structure and absolute configuration of (1,5-cyclooctadiene)-(2S,3S)-2,3-bis(diphenylphosphino)butanerhodium(I) perchlorate tetrahydrofuran solvate

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.13689-19-5,Tricyclohexylphosphine oxide,as a common compound, the synthetic route is as follows.

The same general procedure was adopted for the synthesis of all the complexes. The lanthanide chloride and tricyclohexylphosphine oxide were dissolved in hot ethanol. Heating was continued for 1h and the solution was allowed to slowly evaporate at room temperature during which time crystalline material formed. The crystals were filtered, washed with cold ethanol and dried at the pump.

13689-19-5, As the paragraph descriping shows that 13689-19-5 is playing an increasingly important role.

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Article; Lees, Anthony M.J.; Platt, Andrew W.G.; Polyhedron; vol. 67; (2014); p. 368 – 372;,
Phosphine ligand
Chiral phosphine ligands in asymmetric synthesis. Molecular structure and absolute configuration of (1,5-cyclooctadiene)-(2S,3S)-2,3-bis(diphenylphosphino)butanerhodium(I) perchlorate tetrahydrofuran solvate

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.24171-89-9,Tri(thiophen-2-yl)phosphine,as a common compound, the synthetic route is as follows.

A CH2Cl2 solution (30 mL) of [Fe3(CO)12] (200 mg, 0.40 mmol) and PTh3 (111 mg, 0.40 mmol) was heated to reflux for 12 h. The solvent was removed under reduced pressure and the residue chromatographed by TLC on silica gel. Elution with hexane/CH2Cl2 (v/v 9:1) developed two bands [Fe2(CO)6(mu-eta1,eta2-Th)(mu-PTh2)] (3) (160 mg, 72%) as light orange crystals and [Fe2(CO)5(mu-eta1,eta2-Th)(mu-PTh2)(PTh3)] (4) (6 mg, 2%) as deep orange crystals., 24171-89-9

The synthetic route of 24171-89-9 has been constantly updated, and we look forward to future research findings.

Reference£º
Conference Paper; Rahaman, Ahibur; Alam, Fakir Rafiqul; Ghosh, Shishir; Haukka, Matti; Kabir, Shariff E.; Nordlander, Ebbe; Hogarth, Graeme; Journal of Organometallic Chemistry; vol. 730; (2013); p. 123 – 131;,
Phosphine ligand
Chiral phosphine ligands in asymmetric synthesis. Molecular structure and absolute configuration of (1,5-cyclooctadiene)-(2S,3S)-2,3-bis(diphenylphosphino)butanerhodium(I) perchlorate tetrahydrofuran solvate

932710-63-9, 4-(Di-tert-butylphosphino)-N,N-dimethylaniline is a chiral-phosphine-ligands compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

932710-63-9, The procedure used to prepare 1a was modified by replacing the HgCl2 addition with 0.036 g (0.1 mmol) HgBr2. After 1 week,yellow crystals suitable for X-ray analysis were obtained. Yield:0.036 g, 51% based on Hg(SePh)2.Properties: yellow crystalline substance. Melting point: 183-185C. Anal. Calc. for C44H66Hg2Br2N2P2Se2 (1403.84): Hg, 28.58;Se, 11.25; C, 37.64; H, 4.74; N, 2.00. Found: Hg, 28.54; Se, 11.21;C, 37.58; H, 4.60; N, 1.93%. IR (KBr): 3043 [vs(CAH)]; 2960[vas(CH3)]; 2867 [vs(CH3)]; 1598, 1476, 1447 [vs(CC)]; 1372[v(CAN)]; 1070, 1024 [dip(CCAH)]; 741, 694 [dop(CCAH)]; 509[v(PAC)]; 468 cm1 [dop(CCAC)] (dip and dop = in-plane and outof-plane bending motions, respectively).

As the paragraph descriping shows that 932710-63-9 is playing an increasingly important role.

Reference£º
Article; Stieler, Rafael; Faoro, Eliandro; Cechin, Camila Nunes; Floriano, Luana; Lang, Ernesto Schulz; Journal of Molecular Structure; vol. 1079; (2014); p. 9 – 14;,
Phosphine ligand
Chiral phosphine ligands in asymmetric synthesis. Molecular structure and absolute configuration of (1,5-cyclooctadiene)-(2S,3S)-2,3-bis(diphenylphosphino)butanerhodium(I) perchlorate tetrahydrofuran solvate

24171-89-9, Tri(thiophen-2-yl)phosphine is a chiral-phosphine-ligands compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

General procedure: To a solution of [Fe2(CO)6{mu-SCH2CH(CH2O2CCH3)S}] (0.044?g, 0.1?mmol) and tris(2-furyl)phosphine (0.023?g, 0.1?mmol) in CH2Cl2 (5?mL) was added a solution of Me3NO¡¤2H2O (0.011?g, 0.1?mmol) in MeCN (5?mL). The mixture was stirred at room temperature for 1?h and then the solvent was reduced on a rotary evaporator. The residue was subjected to TLC separation using CH2Cl2/petroleum ether?=?1:1 (v/v) as eluent. From the main red band, 0.062?g (95%) of complex 2 was obtained as a red solid., 24171-89-9

24171-89-9 Tri(thiophen-2-yl)phosphine 90384, achiral-phosphine-ligands compound, is more and more widely used in various fields.

Reference£º
Article; Chen, Fei-Yan; He, Jiao; Mu, Chao; Liu, Xu-Feng; Li, Yu-Long; Jiang, Zhong-Qing; Wu, Hong-Ke; Polyhedron; vol. 160; (2019); p. 74 – 82;,
Phosphine ligand
Chiral phosphine ligands in asymmetric synthesis. Molecular structure and absolute configuration of (1,5-cyclooctadiene)-(2S,3S)-2,3-bis(diphenylphosphino)butanerhodium(I) perchlorate tetrahydrofuran solvate

5931-53-3,5931-53-3, Diphenyl(o-tolyl)phosphine is a chiral-phosphine-ligands compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

EXAMPLE 33 [(2-Methylphenyl)diphenylphosphoranylidene]carbamic acid, ethyl ester A solution of 1.0 g of (2-methylphenyl)diphenylphosphine in 30 ml of ether was treated with 4 ml of 1M ethyl carbonazidate in ether. The mixture was allowed to stand 48 hours, then repeatedly concentrated and finally treated with fresh ether and refrigerated, giving 930 mg of the desired compound, mp 113-114 C.

As the paragraph descriping shows that 5931-53-3 is playing an increasingly important role.

Reference£º
Patent; American Cyanamid Company; US4767749; (1988); A;,
Phosphine ligand
Chiral phosphine ligands in asymmetric synthesis. Molecular structure and absolute configuration of (1,5-cyclooctadiene)-(2S,3S)-2,3-bis(diphenylphosphino)butanerhodium(I) perchlorate tetrahydrofuran solvate

50777-76-9, 2-(Diphenylphosphino)benzaldehyde is a chiral-phosphine-ligands compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

General procedure: To a mixture of 2-(diphenylphosphino)benzaldehyde(500 mg, 1.72 mmol) and the appropriate amine(1.81 mmol) was added formic acid (1 drop) in MeOH(5 mL). The reaction was allowed to proceed at RT for18 h, at which point the iminophosphine pro-ligand was collected by suction filtration as a pale yellow precipitate. Spectroscopic NMR data were collected in CDCl3 as the pro-ligands decompose in wet DMSO-d6. The spectroscopically pure pro-ligands were used as prepared to make the corresponding platinum(II) complexes., 50777-76-9

The synthetic route of 50777-76-9 has been constantly updated, and we look forward to future research findings.

Reference£º
Article; St-Coeur, Patrick-Denis; Adams, Meghan E.; Kenny, Bryanna J.; Stack, Darcie L.; Vogels, Christopher M.; Masuda, Jason D.; Morin, Pier Jr.; Westcott, Stephen A.; Transition Metal Chemistry; vol. 42; 8; (2017); p. 693 – 701;,
Phosphine ligand
Chiral phosphine ligands in asymmetric synthesis. Molecular structure and absolute configuration of (1,5-cyclooctadiene)-(2S,3S)-2,3-bis(diphenylphosphino)butanerhodium(I) perchlorate tetrahydrofuran solvate

719-80-2, Ethoxydiphenylphosphine is a chiral-phosphine-ligands compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

719-80-2, B (the ratio of reagents 3 : 1 in a toluene solution).Compound3b (0.81 g, 78%) was obtained from a mixture of solutions of ester1b (1.15 g, 4.5 mmol) in toluene (3 mL) and compound 2 (0.39 g,1.5 mmol) in toluene (3 mL) (20-25 C, 48 h) , m.p. 209-211 C(toluene).

The synthetic route of 719-80-2 has been constantly updated, and we look forward to future research findings.

Reference£º
Article; Gazizov; Ismagilov; Shamsutdinova; Tarakanova; Karimova; Russian Chemical Bulletin; vol. 65; 12; (2016); p. 2943 – 2947; Izv. Akad. Nauk, Ser. Khim.; vol. 65; 12; (2016); p. 2943 – 2947,5;,
Phosphine ligand
Chiral phosphine ligands in asymmetric synthesis. Molecular structure and absolute configuration of (1,5-cyclooctadiene)-(2S,3S)-2,3-bis(diphenylphosphino)butanerhodium(I) perchlorate tetrahydrofuran solvate

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.24171-89-9,Tri(thiophen-2-yl)phosphine,as a common compound, the synthetic route is as follows.

Analogous to the reaction described above, Ru3(CO)12 (100 mg, 0.156 mmol) and PTh3 (44 mg, 0.157 mmol) in THF (20 mL) were treated with a few drops of Na[Ph2CO] in THF and the solution was stirred at 25 C for 30 min. Workup and chromatographic separation as described above afforded 1 (58 mg, 42%), 2 (15 mg, 8%), and 3 (7 mg, 3%)., 24171-89-9

As the paragraph descriping shows that 24171-89-9 is playing an increasingly important role.

Reference£º
Article; Uddin, Md Miaz; Begum, Noorjahan; Ghosh, Shishir; Sarker, Jagodish C.; Tocher, Derek A.; Hogarth, Graeme; Richmond, Michael G.; Nordlander, Ebbe; Kabir, Shariff E.; Journal of Organometallic Chemistry; vol. 812; (2016); p. 197 – 206;,
Phosphine ligand
Chiral phosphine ligands in asymmetric synthesis. Molecular structure and absolute configuration of (1,5-cyclooctadiene)-(2S,3S)-2,3-bis(diphenylphosphino)butanerhodium(I) perchlorate tetrahydrofuran solvate